@article{FaySonnentag2012,
  author    = {Doris Fay and Sabine Sonnentag},
  title     = {Within-person fluctuations of proactive behavior how affect and experienced competence regulate work behavior},
  journal   = {Human performance},
  volume    = {25},
  number    = {1},
  pages     = {72 -- 93},
  doi       = {10.1080/08959285.2011.631647},
  year      = {2012},
}